Italian classics racer Davide Rebellin has been stripped of his Olympic silver medal, which he won in 2008 in the road race. The UCI announced Tuesday that the 37-year-old cyclist tested positive for the blood-booster CERA, and that the ICO (International Olympic Committee) has disqualified Rebellin, and his silver medal will now go to Switzerland’s Olympic time trial champion, Fabian Cancellara, and the bronze to Russia’s Alexander Kolobnev. “The finishing order is automatically changed,” says the UCI, who based the decision on its own rule, 12.1.022. The failed test didn’t come until April, after Rebellin had won the 2009 Fleche Wallonne. Kolobnev, the new recipient of the bronze medal, says “I don’t know anything from the results or what’s going on. No one has contacted me from officially from the IOC, the UCI hasn’t told me anything. I know the story only from the press, on…